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List of WHO regions
List of WHO regions
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World Health Organization regions

The World Health Organization (WHO) divides the world into six WHO regions, for the purposes of reporting, analysis and administration.

African Region (AFR)

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Region of the Americas (AMR)

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South-East Asian Region (SEAR)

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European Region (EUR)

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Eastern Mediterranean Region (EMR)

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Western Pacific Region (WPR)

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References

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from Grokipedia
The (WHO) organizes its 194 Member States into six distinct geographical regions to enable effective coordination of efforts, adaptation of global policies to regional needs, and targeted responses to issues. These regions, established under WHO's , facilitate decentralized operations through dedicated regional offices that implement programs, provide , and foster collaboration among countries facing shared challenges such as infectious diseases, noncommunicable conditions, and emergencies. The regional structure ensures that WHO's mission to promote , keep the world safe, and serve the vulnerable is addressed with context-specific strategies, covering diverse populations from over 8 billion people worldwide. In May 2025, Indonesia was reassigned from the South-East Asia Region to the Western Pacific Region. The six WHO regions are as follows, each served by a regional office located within or near the region to enhance operational efficiency:
  • African Region (AFR): Encompassing 47 Member States primarily in sub-Saharan Africa and North Africa, this region addresses high burdens of communicable diseases, maternal and child health, and health system strengthening; its Regional Office for Africa is in Brazzaville, Republic of the Congo.
  • Region of the Americas (AMR): Including 35 Member States across North, Central, and South America and the Caribbean, focusing on vaccination coverage, chronic diseases, and disaster preparedness; the Pan American Health Organization (PAHO), serving as the Regional Office for the Americas, is headquartered in Washington, D.C., United States.
  • South-East Asia Region (SEAR): Comprising 10 Member States in South and South-East Asia, which house about a quarter of the global population and grapple with issues like antimicrobial resistance and universal health coverage; the Regional Office for South-East Asia is in New Delhi, India.
  • European Region (EUR): Covering 53 Member States from Western Europe to Central Asia, emphasizing health equity, aging populations, and pandemic preparedness across a vast area from the Atlantic to the Pacific; the Regional Office for Europe is in Copenhagen, Denmark.
  • Eastern Mediterranean Region (EMR): Spanning 21 Member States and the occupied Palestinian territory, dealing with conflict-related health crises, refugee health, and emerging infectious diseases; the Regional Office for the Eastern Mediterranean is in Cairo, Egypt.
  • Western Pacific Region (WPR): Encompassing 28 Member States and several areas across East Asia, Oceania, and the Pacific, tackling noncommunicable diseases, climate health impacts, and equitable access in diverse island nations; the Regional Office for the Western Pacific is in Manila, Philippines.
This regional framework, while geographically based, allows flexibility for cross-regional collaboration on transnational threats like pandemics and , ensuring WHO's work remains responsive and inclusive.

Introduction to WHO Regions

Purpose and Establishment

The (WHO) divides the world into six administrative regions to decentralize its operations, enabling more effective coordination and adaptation of initiatives to the unique geographic, epidemiological, and socio-political contexts of different areas. These regions—African (AFR), (AMR), South-East (SEAR), European (EUR), (EMR), and Western Pacific (WPR)—serve as semi-autonomous entities under the oversight of the WHO Director-General, with boundaries delineated based on factors such as , political alignments, and prevailing profiles rather than rigid population or economic criteria. This structure allows for tailored policy development and implementation while maintaining alignment with WHO's overarching global mandate. The foundational basis for WHO regions is outlined in the WHO Constitution, adopted by the International Health Conference in New York in 1946 and entering into force on April 7, 1948, which empowers the (WHA) to define geographical areas for regional organizations to facilitate coordination. At the First in in June 1948, delegates delineated six geographic areas for these regional structures, building on pre-existing international health bodies like the Pan American Sanitary Organization. The regional offices were progressively established as follows: the Regional Office in in 1949; the Region of the Americas integrated the existing Pan American Sanitary Bureau in 1949; the South-East Asia Regional Office opened in New Delhi in 1948; the Western Pacific Regional Office was set up in Manila in 1951; the African Regional Office followed in Brazzaville in 1952; and the European office was formalized in Copenhagen in 1957. This expansion to the full six regions by 1957 reflected the need to address post-World War II health challenges across diverse global contexts. The primary purposes of the WHO regions include enhancing localized , implementing region-specific policies, coordinating responses, and building technical capacity among member states to promote equitable outcomes. These functions support WHO's broader objectives, such as directing and coordinating work as stipulated in the Constitution's Chapter I, and align with contemporary goals like the "triple billion targets" adopted in the 13th General Programme of Work (2019–2025), which aim to ensure one billion more people benefit from universal coverage, one billion are better protected from emergencies, and one billion enjoy better and . By operating through regional committees comprising representatives from member states, the regions enable participatory governance and foster collaboration on issues like infectious control and strengthening, ensuring that global strategies are responsive to regional priorities.

Organizational Framework

The organizational framework of WHO regions operates within a hierarchical structure designed to ensure effective coordination while allowing for regional . Each of the six regions is headed by a Regional Director, who is elected by the Regional Committee—the primary decision-making body for that region—for a five-year term renewable once. The Regional Committee, comprising health ministers or representatives from all member states in the region, convenes annually to determine regional priorities, review progress, endorse policies, and approve the biennial work plan and budget. This structure enables regions to address context-specific health challenges while aligning with global objectives. Overseeing this regional framework are key global bodies: the (WHA), which serves as the supreme decision-making authority with overall policy direction and oversight for all regions, and the Executive Board, composed of 34 health experts elected by the WHA, which coordinates regional activities, implements WHA decisions, and provides strategic guidance. Regional offices function as operational hubs, delivering technical support, coordinating multisectoral partnerships, and managing emergency responses tailored to regional needs. These offices house specialized teams for , , and policy advice, ensuring seamless integration between global strategies and local implementation. In terms of operations, regional offices administer a substantial share of WHO's decentralized funding, drawn from the organization's biennial programme —US$ 6.83 billion for 2024–2025—with allocations supporting regional and country-level activities that constitute over 60% of total expenditures when combined. These offices also manage staff deployment, including surge teams of experts in , , and , to bolster member states' capacities during outbreaks or development initiatives. Furthermore, regional work is explicitly aligned with the (SDGs), with a strong emphasis on SDG 3 (good health and well-being), through frameworks like the Global Action Plan for Healthy Lives and Well-being for All, which coordinates regional efforts to reduce mortality, strengthen health systems, and achieve universal health coverage. Central to this framework is the principle of , which delegates implementation and operational delivery to the most appropriate lower level—regions or —while WHO concentrates on developing global norms, standards, and technical guidance to avoid duplication and enhance efficiency. This approach, outlined in WHO's financing , promotes and by empowering regions to adapt global policies to local contexts. A practical illustration is the post-2014 crisis reforms, which led to the establishment of regional emergency operations centers and hubs, such as the WHO Regional Emergency Hub in , , to facilitate rapid , resource coordination, and outbreak response at the regional level.

The Six WHO Regions

African Region (AFR)

The African Region (AFR) of the encompasses 47 member states across the entire African continent, including countries such as , , and . Headquartered in , , the region was established in 1951 to coordinate initiatives tailored to African contexts. As of 2025, the Regional Director is Professor Mohamed Yakub Janabi, who assumed office in June 2025 following his appointment by the WHO Executive Board. The region serves a population of approximately 1.53 billion people, based on 2025 United Nations estimates, which continues to grow rapidly and accounts for a significant portion of global demographic expansion. challenges are dominated by a high burden of infectious diseases, including , , and , which contribute to substantial morbidity and mortality rates. Concurrently, non-communicable diseases such as cardiovascular conditions, , and cancers are emerging as critical concerns, driven by , lifestyle changes, and aging populations, necessitating integrated prevention and control strategies. Key initiatives in the region include close collaboration with the Africa Centres for Disease Control and Prevention (Africa CDC) under the to enhance outbreak detection, response, and continental health security, exemplified by joint efforts in and other epidemic-prone diseases. The 2014-2016 virus disease outbreak, which affected multiple West African countries and resulted in over 11,000 deaths, prompted the establishment of permanent regional emergency response mechanisms, including strengthened surveillance systems and rapid deployment teams to prevent future crises. Additionally, the region has made significant strides in , with the last wild case reported in 2016 and the African continent certified free of wild by WHO in 2020, though vigilance against circulating vaccine-derived strains remains essential.

Region of the Americas (AMR)

The Region of the Americas encompasses 35 member states and associate members, including countries such as the , , and , spanning , , , and the . Its headquarters is located in , , from where it coordinates health initiatives across this diverse geographic area. Known as the (PAHO), the regional office was founded in 1902 as the International Sanitary Bureau and integrated into the (WHO) structure in 1948, serving as its oldest continuously functioning international agency. As of 2025, the Regional Director is Dr. Jarbas Barbosa, who has held the position since 2022. The region serves a exceeding 1 billion people, with health priorities centered on addressing non-communicable diseases such as and , which contribute significantly to morbidity and mortality. Additionally, is treated as a critical public health issue, affecting communities across urban and rural settings, while disaster preparedness is emphasized due to the region's vulnerability to seismic activity and other natural hazards like hurricanes. PAHO has led key responses to regional health threats, including the development of a comprehensive response framework during the 2015-2016 , which supported , , and clinical management across affected countries. The organization has demonstrated leadership in through the WHO Framework Convention on Tobacco Control (FCTC), ratified by 30 of its 35 member states, facilitating measures like pictorial health warnings and taxation to reduce tobacco use. Post-COVID-19, PAHO has advanced equitable vaccine access via its , procuring and distributing over 155 million doses through the Facility to prioritize underserved populations and strengthen regional immunization systems.

South-East Asia Region (SEAR)

The South-East Asia Region (SEAR) of the encompasses 10 member states: , , Democratic People's Republic of Korea, , , , , [Sri Lanka](/page/Sri Lanka), , and Timor-Leste, spanning South and South-East with diverse geographical features including densely populated river deltas, Himalayan highlands, and tropical islands. This region, headquartered in , , was established in November 1948 as one of the WHO's foundational regional offices to address post-colonial health needs in . Covering an area marked by high —particularly in countries like and —the region faces unique challenges from rapid and economic transitions, shifting from agrarian economies to industrial hubs that exacerbate environmental health risks such as from biomass burning and vehicular emissions. Home to approximately 1.8 billion people, SEAR accounts for a significant share of the global population. Key health priorities include improving maternal and child health outcomes, combating antimicrobial resistance through surveillance and stewardship programs, and mitigating diseases linked to air pollution, such as respiratory infections and cardiovascular conditions, which are amplified by the region's monsoon climate and industrial growth. Under the leadership of Regional Director Saima Wazed, who assumed office in February 2024 for a five-year term (currently on leave with Dr. Catharina Boehme serving as Officer-in-Charge), the region advances these goals via the South-East Asia Regional Strategy for Primary Health Care 2022–2030, which emphasizes universal health coverage by strengthening integrated service delivery and community-based interventions. SEAR has played a pivotal historical role in global disease eradication, notably contributing to smallpox elimination, with the last naturally occurring case of variola major reported in in October 1975, marking a milestone in the WHO's intensified campaign. More recently, the region coordinated robust vaccination drives, achieving approximately 70% coverage across member states by the end of 2023 through equitable distribution mechanisms and partnerships with national programs, despite logistical hurdles in remote and conflict-affected areas. These efforts underscore SEAR's focus on transitioning from infectious disease burdens to addressing emerging chronic conditions amid economic diversification and climate vulnerabilities. In May 2025, was reassigned from SEAR to the Western Pacific Region following approval by the .

European Region (EUR)

The World Health Organization's European Region (EUR) encompasses 53 member states, including , , and the , spanning the entirety of , parts of such as and , and . This vast geographical area stretches from the Atlantic Ocean to the Pacific, reflecting a diverse mix of economies, cultures, and health systems. The regional office, headquartered in , , coordinates efforts to address health challenges across this territory. Home to approximately 900 million people, the European Region features advanced health systems but grapples with pressing issues such as , which threatens to undermine medical progress; disorders affecting a significant portion of the ; and the impacts of , including heatwaves and that disproportionately affect vulnerable groups like the elderly and low-income communities. These challenges are exacerbated by aging demographics, with many countries facing rising demands on healthcare resources due to longer life expectancies. Established as the oldest WHO region in 1948 alongside the organization's founding, the European Region has pioneered policy innovations, including the Health 2020 framework, a comprehensive strategy adopted in 2012 to promote , reduce health inequities, and strengthen governance for health across member states. Leadership is provided by Regional Director Dr. Hans Henri P. Kluge, a Belgian expert who has held the position since 2020 and was reappointed for a second five-year term in 2025. In response to the 2022 mpox outbreak, which saw thousands of cases reported across the region, WHO/Europe implemented rapid surveillance systems, enhanced laboratory capacity, and coordinated vaccination efforts to contain transmission, particularly among at-risk populations. Additionally, the region has demonstrated leadership in through its collaboration with EuroHealthNet, a partnership of organizations formalized in a 2021 , focusing on addressing inequalities across diverse economies from high-income to transitioning Central Asian states.

Eastern Mediterranean Region (EMR)

The Region (EMR) of the encompasses 21 member states and the occupied Palestinian territory (including ), spanning the , , and parts of Central and . Examples of member states include , , and . The region is served by the WHO Regional Office for the (EMRO), headquartered in , , which was established in 1949. This geographical scope positions the EMR at the intersection of diverse cultural, economic, and environmental contexts, influencing its approaches. With a of nearly 745 million people, the EMR faces significant challenges shaped by geopolitical instability, including conflict-related injuries, the health needs of refugees and internally displaced persons, and issues exacerbated by arid environments and . WHO's work in the region prioritizes preparedness and response, particularly in fragile and conflict-affected settings, where 140 million individuals—about 19% of the —require humanitarian assistance. These efforts focus on strengthening health systems to address vulnerabilities such as trauma care in war zones and ensuring nutritional security amid food insecurity driven by crises. The current Regional Director, as of 2025, is Dr. Hanan Balkhy, who assumed office on 1 February 2024 for a five-year term, becoming the first woman to hold this position. The EMR's strategic framework, including , emphasizes building resilient health systems through solidarity and collective action to achieve health for all, with ongoing extensions and plans like the Strategic Operational Plan for 2025–2028 reinforcing priorities in emergency response and universal health coverage. Notable WHO-led initiatives in the EMR include the coordinated response to the Syrian crisis since , which has supported health services for nearly 6 million Syrian refugees across host countries in the region, addressing overburdened health systems and ongoing displacement needs. Additionally, the region has managed polio resurgence effectively, with the last wild type 1 case reported in November 2018 in , through intensified campaigns and surveillance that have sustained polio-free status since then.

Western Pacific Region (WPR)

The Western Pacific Region (WPR) encompasses a vast and diverse area spanning , , and , including 38 member states and areas such as , , , and numerous Pacific islands like and . This region stretches from in the north to in the south and extends to remote areas like the , reflecting a mix of densely populated urban centers, high-income economies, and vulnerable to climate impacts. The regional headquarters is located in , , serving as the hub for coordinating health initiatives across this expansive geography. In May 2025, was reassigned from the South-East Asia Region to the WPR following approval by the . Home to nearly 2.2 billion people, based on 2025 estimates, the WPR faces a complex profile characterized by the dual burden of communicable and non-communicable s (NCDs), alongside vulnerabilities from and demographic shifts. Key challenges include rising NCDs such as , heart disease, and cancers, particularly in aging populations of high-income countries like and ; infectious diseases like dengue and remain prevalent in tropical areas; and frequent typhoons and earthquakes exacerbate health risks through displacement and damage. The region also contends with rapid and economic disparities, which amplify issues like and concerns. Established in 1948 as part of the World Health Organization's foundational structure, the WPR operates under the leadership of Regional Director Dr. Saia Ma'u Piukala, who assumed the role in February 2024 as the first Pacific Islander in this position. Strategic priorities, including the Pacific Island Countries and Areas–WHO Cooperation Strategy 2018–2022, emphasize NCD prevention and control, with extensions and ongoing efforts focusing on integrated strengthening to address these burdens. Notable regional responses include the WHO's coordination of health aid following the 2004 tsunami, which impacted 12 countries including WPR members like and through prevention and water support. Additionally, WHO maintains active dengue in Pacific islands, providing real-time epidemiological data and response support to mitigate outbreaks driven by climate and travel factors.

Regional Functions and Global Role

Key Responsibilities of Regions

The World Health Organization's six regional offices serve as the primary interface for implementing strategies at the country and subnational levels, directing the majority of WHO's operational activities in Member States. Their core responsibilities encompass disease prevention and control, where they coordinate large-scale campaigns and for communicable diseases such as , , and to reduce transmission and achieve elimination targets. For instance, regional offices facilitate the rollout of vaccination programs aligned with the Immunization Agenda 2030, providing logistical support and to national health systems. In health system strengthening, regional offices offer technical assistance to bolster infrastructure, including workforce training, for , and integration of services to advance universal health coverage (UHC). This involves advising governments on policy reforms, resource allocation, and tools to improve service delivery, particularly in underserved areas. Additionally, they focus on emergency preparedness by ensuring compliance with the (2005), which mandates countries to develop core capacities for detecting, assessing, and responding to risks, including rapid deployment of emergency medical teams during outbreaks. Regional technical support teams, comprising experts in , , and , develop and disseminate evidence-based guidelines adapted to local contexts, such as culturally sensitive nutrition programs or antimicrobial resistance strategies. Progress is monitored through standardized indicators like Disability-Adjusted Life Years (DALYs), which quantify the burden of disease by combining years of life lost and years lived with , and the UHC service coverage index, which tracks access to essential health services. These metrics enable regions to evaluate program effectiveness and adjust interventions accordingly. Regional offices lead the bulk of WHO's country-level engagements, with over 4,000 staff across 150 country offices handling on-the-ground implementation, including pharmacovigilance networks that monitor vaccine safety through adverse event reporting systems like the Vaccine Safety Net. Following the , regional offices have amplified their roles in approaches, fostering integrated frameworks that link human, animal, and to mitigate zoonotic threats and climate-related risks. This enhancement includes cross-sectoral collaborations with and environmental ministries to build resilient systems, as seen in regional strategies for and surveillance.

Inter-Regional Collaboration and Challenges

The (WHO) facilitates inter-regional collaboration through established mechanisms that enable coordinated responses to global health threats and knowledge sharing among its six regions. A primary example is the Global Outbreak Alert and Response Network (GOARN), launched in 2000 as a technical partnership involving over 300 institutions worldwide, which mobilizes expertise across regions for rapid outbreak detection, verification, and response, thereby strengthening collective capacity during emergencies like pandemics. Additionally, the annual serves as a platform for regional offices to report on progress and align strategies, fostering dialogue on shared priorities such as universal health coverage and emergency preparedness. Cross-regional technical exchanges further support this collaboration, as seen in WHO's global healthy ageing initiatives, where the European Region (EUR) and Western Pacific Region (WPR) contribute to joint action plans that address through shared best practices on care systems and policy frameworks. Despite these efforts, inter-regional collaboration faces significant challenges that hinder equitable health outcomes. Funding disparities are pronounced, with the African Region (AFR) receiving the lowest health expenditure—averaging approximately US$137 (as of 2021) compared to over US$4,000 in high-income regions—largely due to reliance on voluntary contributions that unevenly support resource-limited areas. Geopolitical barriers, including conflicts and international tensions, complicate cooperation by disrupting supply chains, restricting expert mobility, and limiting data flows across borders, as evidenced by ongoing challenges in regions like the (EMR). exacerbates these issues by amplifying vulnerabilities, such as the spread of vector-borne diseases like and dengue, which are shifting across regional boundaries due to altered temperature and precipitation patterns, necessitating enhanced cross-regional surveillance. WHO's Triple Billion targets—aiming to provide universal health coverage to one billion more people, protect one billion from , and ensure for one billion by —underscore the need for inter-regional alignment to address these global goals through synchronized monitoring and . As of , progress is mixed, with the target on track but shortfalls in UHC and protection. A 2023 WHO assessment of repositories highlighted the critical gap in inter-regional , recommending improved digital platforms to track inequalities and enable timely interventions across regions. To bolster pandemic preparedness, proposals for regional solidarity funds emerged in 2024, building on the Pandemic Fund mechanism, which had allocated a total of over $885 million in grants by late 2024 to low- and middle-income countries for multisectoral investments in prevention and response capabilities. These collaborative dynamics are influenced by stark differences in regional health metrics; for instance, the WPR boasts a of approximately 77 years, reflecting strong health systems, while the AFR lags at around 63 years, hampered by infectious diseases and underinvestment, illustrating the imperative for targeted inter-regional support to achieve .

References

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